[Event "Bulgarian Championship"]
[Site "Sofia BUL"]
[Date "1962.02.??"]
[EventDate "?"]
[Round "13"]
[Result "1/2-1/2"]
[White "Petar Orev"]
[Black "Valentin Asenov Prahov"]
[ECO "B20"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1.e4 c5 2.c4 Nc6 3.Ne2 Nf6 4.Nbc3 e6 5.d4 cxd4 6.Nxd4 Bb4 7.Nxc6 dxc6 8.Bd3 e5 9.O-O O-O 10.Bg5 h6 11.Bh4 Be7 12.Qe2 Bg4 13.f3 Be6 14.g4 Nd7 15.Bg3 Nc5 16.Rad1 Nxd3 17.Rxd3 Qa5 18.b3 Rad8 19.Rfd1 Rxd3 20.Rxd3 Rd8 21.Rxd8+ Bxd8 22.Nd1 Bb6+ 23.Bf2 Bxf2+ 24.Kxf2 Kf8 25.Ne3 Ke7 26.Nf5+ Bxf5 27.exf5 f6 28.f4 Qc5+ 29.Kf3 Kd6 30.Qd3+ Qd4 31.fxe5+ fxe5 32.Qe3 c5 33.Qe4 b6 34.h3 Qd1+ 35.Kg3 Qd4 36.Kf3 Qd1+ 37.Kf2 Qd2+ 38.Kf3 Qd1+ 39.Kg2 Qd4 40.Kf3 1/2-1/2